/* 将每个结构的最外层容器的宽度设置为100% */
header,
nav,
main,
footer {
    width: 100%;
}

/* 版心1200px */
.w1200 {
    width: 1200px;
    margin: 0 auto;
}

header {
    background-color: #003f87;
}

nav {
    background-color: #ebebeb;
}


/* 头部logo和搜索框 */
.is_header {
    display: flex;
    justify-content: space-between;
    height: 143px;
    align-items: center;
}

/* 头部右侧搜索框 */
.search {
    display: flex;
    align-items: center;
    background-color: #ffffffcc;
    border-radius: 4px;
}

/* 头部右侧搜索框的输入框部分 */
.search input {
    width: 140px;
    padding: 6px 0px 6px 10px;
    font-size: 14px;
    color: #999;
    border: none;
    background-color: transparent;
}

/* 头部右侧搜索框的图片部分 */
.search img {
    width: 33px;
    height: 33px;
}

main section {
    margin-bottom: 75px;
}

main h2 {
    text-align: center;
}

main .top {
    text-align: center;
    color: #787878;
    margin-bottom: 24px;
}

main .top span:first-of-type {
    margin-right: 8px;
}

main .title {
    font-weight: bold;
    font-size: 16px;;
}

main .content {
    width: 83%;
    margin: 0 auto;
}

main p {
    text-indent: 2em;
    line-height: 2;
}


/* 底部部分 */
footer {
    height: 165px;
    background-color: #003f87;
    display: flex;
    align-items: center;
}

footer .info {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

footer .info .left {
    display: flex;
    justify-content: flex-start;
    align-items: center;
}

footer .remark {
    margin-left: 20px;
    font-size: 14px;
    color: aliceblue;
}

footer .picture {
    display: flex;
    padding-right: 20px;
    border-right: 1px solid white;
}

footer .picture div {
    height: 80px;
    width: 80px;
}

footer .picture div:nth-child(1) {
    background-image: url(../../jsjxy.jxnu.edu.cn-v1/images/shiye.png);
    background-size: contain;
}

footer .picture div:nth-child(2) {
    background-image: url(../../jsjxy.jxnu.edu.cn-v1/images/jxnu.png);
    background-size: contain;
}

footer .picture div:nth-child(3) {
    background-image: url(../../jsjxy.jxnu.edu.cn-v1/images/xueyuan.png);
    background-size: contain;
}

footer .right {
    margin-right: 36px;
}

footer .code {
    height: 80px;
    width: 80px;
    background-image: url(../../jsjxy.jxnu.edu.cn-v1/images/weixin.jpg);
    background-size: contain;
}

footer .weixin {
    width: 80px;
    height: 28px;
    color: white;
    text-align: center;
    font-size: 12px;
    line-height: 28px;
}



